{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "870665506",
    "entityType": "User",
    "nonce": "0x3ab46996a2ad7bd6c197d5e9691aaf4fd3fa96da5798f3082be3a8dc887e66ed",
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    "signer": "0xb7C7a8D9d12EBd1Cd438cB065E97280E6D7e912A",
    "userId": "984691913"
  }
}